CVE-2021-28210 Denial of service in EDK II

What is CVE-2021-28210?

CVE-2021-28210 is a high-severity denial of service vulnerability in TianoCore EDK II, published on 11 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An unlimited recursion in DxeCore in EDK II.

Weakness: CWE-674

Which versions are affected by CVE-2021-28210?

It affects 1 product.

Products include Tianocore Edk2.

How do I fix CVE-2021-28210?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-28210 being exploited?

There is no known exploitation of CVE-2021-28210 in the wild and no public exploit code.

Other vulnerabilities in TianoCore EDK II

• CVE-2023-45230 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2023-45234 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2023-45235 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2019-14584 Null dereference in Tianocore EDK2 High 7.8
• CVE-2017-5731 Privilege escalation in Tianocore High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2021-28210, GHSA-3q28-wqh2-j2f3, OESA-2021-1251, UBUNTU-CVE-2021-28210.